72366709236 has 12 divisors (see below), whose sum is σ = 168855654912. Its totient is φ = 24122236408.

The previous prime is 72366709087. The next prime is 72366709237. The reversal of 72366709236 is 63290766327.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72366709237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3015279540 + ... + 3015279563.

It is an arithmetic number, because the mean of its divisors is an integer number (14071304576).

Almost surely, 2^72366709236 is an apocalyptic number.

It is an amenable number.

72366709236 is an abundant number, since it is smaller than the sum of its proper divisors (96488945676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72366709236 is a wasteful number, since it uses less digits than its factorization.

72366709236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6030559110 (or 6030559108 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 51.

The spelling of 72366709236 in words is "seventy-two billion, three hundred sixty-six million, seven hundred nine thousand, two hundred thirty-six".